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Elza [17]
3 years ago
5

Which is bigger a star or star system

Chemistry
2 answers:
UkoKoshka [18]3 years ago
4 0
The Star System as it is a collective of Planets and a Star.
ArbitrLikvidat [17]3 years ago
3 0

Answer:

sun

Explanation:

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How many moles of oxygen can be formed from 250 grams of aluminum oxide
Oksanka [162]
2Al₂O₃ = 4Al + 3O₂

M(A₂O₃)=101.96 g/mol
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n(O₂)=3*250/{2*101.96}=3.678 mol
8 0
3 years ago
Under constant pressure a sample of hydrogen gas initially at 88°C and 9.6 L is cooled until its final volume is 3.4 L. What is
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The final temperature = -145.24K or 127°C.

According to the data given,

T1= 88°C = 361.15K

V1= 9.6 L

V2= 3.4 L

T2= ?

We know that, according to Charles's law,

T1/V1=T2/V2

T2= T1*V2/V1

T2= 127°C or -145.24K

The final temperature = -145.24K or 127°C

<h3>What does Charles law state?</h3>

According to Charles' law, when the pressure is held constant, the volume of a given amount of gas is precisely proportional to its temperature on the kelvin scale.

<h3>What connection exists between volume and temperature?</h3>
  • In layman's words, the volume of a fixed mass of gas is exactly proportional to temperature at constant pressure.
  • When a constant mass of gas is cooled, its volume decreases, and when the temperature is elevated, its volume grows.

<h3>What are the applications of Charles law?</h3>
  • A hot air balloon drifting through the air is an illustration of Charles Law in action.
  • The air within the balloon is heated by a torch, which causes the air molecules to move more quickly and disperse.
  • This causes the air inside the balloon to be less dense than the air outside, which causes the balloon to float.

To learn more about Charles law visit:

brainly.com/question/16927784

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7 0
1 year ago
What is the final step in the scientific method
kherson [118]
The final step in the scientific method is the conclusion. The conclusion will either clearly support the hypothesis or it will not. If the results support the hypothesis a conclusion can be written
8 0
3 years ago
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0.47 M KNO3 solution contains .757475 mol of KNO3 what is the volume
vfiekz [6]

Answer:

Volume is the quantity of three-dimensional  

Explanation:

7 0
3 years ago
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